X-Git-Url: http://www.average.org/gitweb/?p=pdns-pipe-nmc.git;a=blobdiff_plain;f=NmcTransform.hs;h=4a3e66714777d5cfebb81e80a67949e190050753;hp=d9a98d00459a595e05bc0850f9afd43ca8b386cf;hb=HEAD;hpb=978ad2816267da813a6984a83035bc73fb293a17

diff --git a/NmcTransform.hs b/NmcTransform.hs
index d9a98d0..4a3e667 100644
--- a/NmcTransform.hs
+++ b/NmcTransform.hs
@@ -2,12 +2,12 @@ module NmcTransform ( seedNmcDom
                     , descendNmcDom
                     ) where
 
-import Prelude hiding (lookup)
+import Prelude hiding (lookup, null)
 import Data.ByteString.Lazy (ByteString)
-import Data.Text.Lazy (splitOn, pack, unpack)
-import Data.Map.Lazy (empty, lookup, delete, size, singleton
+import Data.Map.Lazy (Map, empty, lookup, delete, null, singleton
                      , foldrWithKey, insert, insertWith)
 import Control.Monad (foldM)
+import Data.Maybe (fromMaybe)
 import Data.Aeson (decode)
 import Data.Default.Class (def)
 
@@ -39,7 +39,7 @@ mergeIncl ::
   -> IO (Either String NmcDom)              -- ^ result with merged import
 mergeIncl queryOp depth base = do
   let
-    mbase = (splitSubdoms . mergeSelf) base
+    mbase = mergeSelf base
     base' = mbase {domDelegate = Nothing, domImport = Nothing}
   -- print base
   if depth <= 0 then return $ Left "Nesting of imports is too deep"
@@ -63,7 +63,7 @@ mergeSelf base =
     map   = domSubmap base
     base' = base {domSubmap = removeSelf map}
     removeSelf Nothing    = Nothing
-    removeSelf (Just map) = if size map' == 0 then Nothing else Just map'
+    removeSelf (Just map) = if null map' then Nothing else Just map'
       where map' = delete "" map
   in
     case map of
@@ -74,32 +74,26 @@ mergeSelf base =
           Just sub -> (mergeSelf sub) `merge` base'
         -- recursion depth limited by the size of the record
 
--- | Convert map elements of the form "subN...sub2.sub1.dom.bit"
---   into nested map and merge it
-splitSubdoms :: NmcDom -> NmcDom
-splitSubdoms base =
-  let
-    base' = base { domSubmap = Nothing }
-  in
-    case domSubmap base of
-      Nothing -> base'
-      Just sdmap -> (def { domSubmap = Just sdmap' }) `merge` base'
-        where
-          sdmap' = foldrWithKey stow empty sdmap
-          stow fqdn sdom acc = insertWith merge fqdn' sdom' acc
-            where
-              (fqdn', sdom') =
-                nest (filter (/= "") (splitOnDots fqdn), sdom)
-              splitOnDots s = map unpack (splitOn (pack ".") (pack s))
-              nest ([], v)   = (fqdn, v) -- can split result be empty?
-              nest ([k], v)  = (k, v)
-              nest (k:ks, v) =
-                nest (ks, def { domSubmap = Just (singleton k v) })
-
 -- | transfer some elements of `base` into `sub`, notably TLSA
 propagate :: NmcDom -> NmcDom -> NmcDom
-propagate base sub = sub -- FIXME implement it
- 
+propagate base sub = sub `merge` (pickglobals base)
+  where
+    pickglobals dom = fromMaybe def (siftsubmap (siftsubmap taketlsa) dom)
+    siftsubmap f dom =
+      let
+        sdmap = fromMaybe empty (domSubmap dom)
+        sdmap' = foldrWithKey (\k x -> addifjust k (f x)) empty sdmap
+        addifjust k mdom acc = case mdom of
+          Nothing  -> acc
+          Just dom -> insert k dom acc -- dups are impossible here
+      in
+        if null sdmap' then Nothing else Just $ def { domSubmap = Just sdmap'}
+    taketlsa dom = case domTlsa dom of
+      Nothing   -> Nothing
+      Just tlsa -> case filter (\x -> tlsIncSubdoms x) tlsa of
+        []    -> Nothing
+        tlsa' -> Just $ def { domTlsa = Just tlsa' }
+
 -- | Presence of some elements require removal of some others
 normalizeDom :: NmcDom -> NmcDom
 normalizeDom dom = foldr id dom [ translateNormalizer